Material: ABS+PP+Aluminum+Rubber Voltage: AC220V 50HZ Battery: NiCd DC 3.6V Power consumption: 3.15w Battery type: Ni-MH battery Battery capacity: 4000 mAh Waterproof rating: IPX4 Power products: AC220V 50HZ and other specifications Charging time: 8-10 hours Continuous use time: 60 minutes (full charge) Product size: vertical: 16.5*13*112cm handheld: about 16.5*13*64.5cm Brush head size: dome brush head diameter 12.5cm, flat brush head diameter: 11.5cm, corner brush head diameter: 5.5cm